2 parameters not working

I am using your plugin on a site and it’s working wonderfully well.

when I create a simple test item with two parameters, I cannot see the second one.

Here’s my little TestTwoVars

<?php
echo $_parameters["var1"];
echo $_parameters["var2"];
?>

When I call it inside a page, I call it like this. (I tried to pattern it on your suggestion for 1.1 in
http://wordpress.org/plugins/php-code-for-posts/)

I go into Text, not Visual portion of editor and type:

BEFORE 2-var test
[php snippet=4 param="var1=val1&var2=val2"]
AFTER 2-var test

When I view the page, I see my string ABOVE the item and the ending string BELOW the item, but
val2 doesn’t show. Any ideas?

BEFORE 2-var test
val1
AFTER 2-var test

The Back ticks are placed for this message. Not part of the code :}